Granite rock. Polarised light micrograph of granite,a common and widespread igneous rock,which consists of quartz,alkali-feldspar,mica,and other minerals. Granites form in the lower parts of the Earth's continental crust,often by the melting and recrystallisation of older rock. This image has been obtained using cross-polarised light (or 'crossed nichols') | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 4896 px × 3680 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |